/* DA « GPT × Liquid Glass » (validée le 04/10/2026) : neutres de ChatGPT, vert OpenAI en touche,
   halos pastel en fond et surfaces de verre. Chargée en dernier, elle prime sur tokens/glass/components. */
:root, :root[data-theme='light'] {
  --bg: #FAFAFA;
  --text: #0D0D0D;
  --muted: #5D5D5D;
  --accent: #0D0D0D;
  --accent-hover: #2F2F2F;
  --link: #0D0D0D;
  --gpt-green: #10A37F;
  --surface-solid: #FFFFFF;
  --border: rgb(0 0 0 / 9%);
  --line: rgb(0 0 0 / 9%);
  --button-bg: #0D0D0D;
  --button-text: #FFFFFF;
  --button-hover: #2F2F2F;
  --glass-bg: rgb(255 255 255 / 48%);
  --glass-bg-strong: rgb(255 255 255 / 66%);
  --glass-border: rgb(255 255 255 / 72%);
  --glass-shadow: inset 0 1px 0 rgb(255 255 255 / 85%), inset 0 -1px 0 rgb(255 255 255 / 25%), 0 20px 50px rgb(20 20 40 / 8%), 0 2px 6px rgb(20 20 40 / 4%);
  --glass-blur: blur(28px) saturate(180%);
  --halo-a: rgb(160 196 255 / 55%);
  --halo-b: rgb(255 190 220 / 50%);
  --halo-c: rgb(150 230 200 / 45%);
  --halo-d: rgb(255 214 170 / 45%);
  --gradient: linear-gradient(90deg, #4F7BFF, #B266FF 45%, #FF7BAC 75%, #FFA36B);
  --dark-card: rgb(13 13 13 / 88%);
}
:root[data-theme='dark'] {
  --bg: #0D0D0D;
  --text: #ECECEC;
  --muted: #B4B4B4;
  --accent: #FFFFFF;
  --accent-hover: #D9D9D9;
  --link: #FFFFFF;
  --surface-solid: #1A1A1A;
  --border: rgb(255 255 255 / 10%);
  --line: rgb(255 255 255 / 10%);
  --button-bg: #FFFFFF;
  --button-text: #0D0D0D;
  --button-hover: #D9D9D9;
  --input: rgb(255 255 255 / 6%);
  --glass-bg: rgb(30 30 34 / 50%);
  --glass-bg-strong: rgb(30 30 34 / 70%);
  --glass-border: rgb(255 255 255 / 12%);
  --glass-shadow: inset 0 1px 0 rgb(255 255 255 / 10%), 0 20px 50px rgb(0 0 0 / 35%);
  --halo-a: rgb(70 100 220 / 35%);
  --halo-b: rgb(170 70 140 / 28%);
  --halo-c: rgb(20 140 110 / 28%);
  --halo-d: rgb(180 110 50 / 22%);
  --dark-card: rgb(255 255 255 / 92%);
}

/* Halos pastel fixes : c'est ce qui rend le verre visible */
body { background: var(--bg); position: relative; isolation: isolate; }
body::before {
  content: ""; position: fixed; inset: -20vmax; z-index: -1; pointer-events: none;
  background:
    radial-gradient(38vmax 30vmax at 18% 22%, var(--halo-a), transparent 70%),
    radial-gradient(34vmax 28vmax at 82% 18%, var(--halo-b), transparent 70%),
    radial-gradient(40vmax 32vmax at 70% 78%, var(--halo-c), transparent 70%),
    radial-gradient(30vmax 26vmax at 22% 85%, var(--halo-d), transparent 70%);
  filter: blur(40px);
  animation: derive 30s ease-in-out infinite alternate;
}
@keyframes derive { to { transform: translate3d(3vmax, -2vmax, 0) rotate(8deg); } }

/* Recette Liquid Glass, appliquée à toutes les surfaces .glass existantes */
.glass, .glass--thin, .glass--regular, .glass--thick,
.audience-paths > article, .demo-layout, .float-logo, .marquee, .tiktok-row a, .final-cta, .expert-portrait, .site-footer {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.nav-pill { border-radius: 999px; background: var(--glass-bg-strong); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow); }
.mobile-menu { background: var(--glass-bg-strong); }
.card.glass { padding: 28px; border-radius: 28px; border-top: 1px solid var(--glass-border); transition: transform .35s var(--ease); }
a.card.glass:hover, article.card.glass:hover { transform: translateY(-3px); }
.callout.glass { border-radius: 28px; border-left: 1px solid var(--glass-border); }
.faq { gap: 10px; }
.faq details.glass { border-radius: 20px; padding-inline: 22px; border-top: 1px solid var(--glass-border); }
.toc.glass, .prose.glass { border-radius: 28px; }

.eyebrow { color: var(--muted); font-weight: 500; }
.eyebrow::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--gpt-green); margin-right: 8px; vertical-align: middle; }
h2 { font-weight: 650; letter-spacing: -.045em; }
.gradient-text, .learning-hero h1 em, .editorial-intro h1 em, .studio-hero h1 em, .page-hero h1 em { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.button { border-radius: 999px; transition: transform .2s var(--ease), background .2s; }
.button:active { transform: scale(.97); }
.button--secondary { background: var(--glass-bg-strong); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); box-shadow: var(--glass-shadow); color: var(--text); }
.text-link { color: var(--text); }
.brand span { color: var(--gpt-green); }

/* Hero de l'accueil */
.learning-hero { padding-block: 80px 70px; }
.learning-hero h1 { font-weight: 700; font-size: clamp(3.1rem, 5.6vw, 5.2rem); letter-spacing: -.055em; line-height: 1.03; }
.rotator { display: inline-grid; vertical-align: bottom; overflow: hidden; height: 1.1em; }
.rotator span { grid-area: 1/1; transition: transform .6s var(--ease), opacity .6s; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; padding-right: .05em; }
.rotator.is-ready span { transform: translateY(110%); opacity: 0; }
.rotator.is-ready span.is-on { transform: none; opacity: 1; }
.rotator.is-ready span.is-out { transform: translateY(-110%); opacity: 0; }
.rotator:not(.is-ready) span:not(:first-child) { visibility: hidden; }
.hero-quote { border-left: 2px solid var(--gpt-green); padding: 4px 0 4px 16px; margin: 0 0 8px; color: var(--muted); }

/* Portrait dans un cadre de verre + logos flottants */
.expert-portrait { position: relative; padding: 12px; border-radius: 40px; }
.expert-portrait > img { border-radius: 30px !important; border: 0 !important; }
.expert-portrait figcaption { padding: 4px 10px 6px; }
.float-logo { position: absolute; width: 60px; height: 60px; border-radius: 20px; display: grid; place-items: center; animation: flotte 6s ease-in-out infinite; z-index: 2; background: var(--glass-bg-strong); }
.float-logo img { width: 30px; height: 30px; }
.float-logo:nth-of-type(1) { top: 7%; left: -30px; }
.float-logo:nth-of-type(2) { top: 30%; right: -30px; animation-delay: -1.5s; }
.float-logo:nth-of-type(3) { top: 56%; left: -36px; animation-delay: -3s; }
.float-logo:nth-of-type(4) { top: 64%; right: -24px; animation-delay: -4.5s; }
.live-pill { position: absolute; top: -14px; right: 22px; z-index: 3; background: rgb(13 13 13 / 85%); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); color: #fff; font-size: .74rem; padding: 7px 12px 7px 10px; border-radius: 999px; display: flex; gap: 8px; align-items: center; }
.live-pill::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--gpt-green); animation: pulse 2s infinite; }
@keyframes flotte { 50% { transform: translateY(-10px) rotate(2deg); } }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgb(16 163 127 / 60%); } 70% { box-shadow: 0 0 0 8px transparent; } }
.portrait-tools { display: none !important; }

/* Bandeau défilant en verre */
.marquee { overflow: hidden; padding-block: 16px; border-radius: 999px; max-width: var(--width); margin: 0 auto; }
.marquee-track { display: flex; gap: 56px; width: max-content; animation: defile 30s linear infinite; }
.marquee-track span { display: flex; align-items: center; gap: 10px; font-weight: 600; white-space: nowrap; }
.marquee-track img { width: 22px; height: 22px; }
.marquee-track span::after { content: "•"; margin-left: 50px; color: var(--gpt-green); }
@keyframes defile { to { transform: translateX(calc(-50% - 28px)); } }
.expertise-strip { border: 0 !important; }

/* Cartes de l'accueil : particuliers en verre clair, entreprises en verre sombre */
.audience-paths { background: transparent; border: 0; box-shadow: none; }
.audience-paths > article { border-radius: 32px; transition: transform .35s var(--ease); }
.audience-paths > article:hover { transform: translateY(-4px); }
.audience-paths > article:last-child { background: var(--dark-card); border-color: rgb(255 255 255 / 12%); }
:root:not([data-theme='dark']) .audience-paths > article:last-child :is(h3, .text-link) { color: #fff; }
:root:not([data-theme='dark']) .audience-paths > article:last-child :is(p, li, .eyebrow) { color: #B4B4B4; }
:root:not([data-theme='dark']) .audience-paths > article:last-child .button--secondary { background: #fff; color: #0D0D0D; }
:root[data-theme='dark'] .audience-paths > article:last-child :is(h3, .text-link) { color: #0D0D0D; }
:root[data-theme='dark'] .audience-paths > article:last-child :is(p, li, .eyebrow) { color: #4A4A4A; }
:root[data-theme='dark'] .audience-paths > article:last-child .button--secondary { background: #0D0D0D; color: #fff; }
.ai-demo { background: transparent !important; border: 0 !important; box-shadow: none !important; }
.demo-layout { border-radius: 32px; }
.demo-stage { background: var(--glass-bg) !important; border-color: var(--glass-border) !important; }

/* Rangée TikTok */
.tiktok-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.tiktok-row a { position: relative; border-radius: 28px; overflow: hidden; aspect-ratio: 9/14; display: block; padding: 8px; transition: transform .35s var(--ease); color: var(--text); text-decoration: none; }
.tiktok-row a:hover { transform: translateY(-6px); }
.tiktok-row img { width: 100%; height: 100%; object-fit: cover; border-radius: 21px; }
.tiktok-row a:has(img)::after { content: "▶"; position: absolute; left: 22px; bottom: 22px; width: 42px; height: 42px; border-radius: 50%; background: rgb(255 255 255 / 60%); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); display: grid; place-items: center; color: #0D0D0D; font-size: .8rem; }
.tiktok-follow { display: flex !important; flex-direction: column; justify-content: flex-end; gap: 6px; padding: 28px !important; }
.tiktok-follow strong { font-size: 1.6rem; letter-spacing: -.04em; line-height: 1.1; }
.tiktok-follow span { color: var(--muted); }

/* Bloc final + footer */
.final-cta { border-radius: 40px; padding: clamp(40px, 6vw, 80px); }
.final-cta h2 { font-size: clamp(2.4rem, 5vw, 4rem); line-height: 1.03; }
.final-cta h2 em { font-style: normal; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.final-cta .email-pill { border-radius: 999px; }
.site-footer { border-radius: 40px 40px 0 0; margin-top: 80px; max-width: none; padding-inline: max(var(--gutter), calc((100vw - var(--width)) / 2)); border-bottom: 0; }

@media (max-width: 720px) {
  .tiktok-row { grid-template-columns: repeat(3, 72%); overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: 8px; }
  .tiktok-row a { scroll-snap-align: start; }
  .float-logo { width: 46px; height: 46px; }
  .float-logo:nth-of-type(odd) { left: -10px; } .float-logo:nth-of-type(even) { right: -10px; }
  .glass, .glass--thick, .float-logo, .marquee, .tiktok-row a, .final-cta, .expert-portrait, .site-footer { -webkit-backdrop-filter: blur(16px) saturate(160%); backdrop-filter: blur(16px) saturate(160%); }
}
@media (prefers-reduced-motion: reduce) {
  body::before, .float-logo, .marquee-track, .live-pill::before { animation: none; }
  .rotator span { transition: none; }
}
@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  :root { --glass-bg: var(--surface-solid); --glass-bg-strong: var(--surface-solid); }
  body::before { display: none; }
  .glass, .nav-pill, .audience-paths > article, .demo-layout, .float-logo, .marquee, .tiktok-row a, .final-cta, .expert-portrait, .site-footer, .button--secondary { -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@media (prefers-contrast: more) {
  .glass, .nav-pill, .audience-paths > article { border-color: var(--text); }
}
@media (forced-colors: active) {
  .rotator span, .gradient-text, .final-cta h2 em, .learning-hero h1 em { -webkit-text-fill-color: CanvasText; background: none; }
}

/* Boîte à outils */
.tool-grid { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tool-tile { display: flex; flex-direction: column; gap: 8px; padding: 24px; border-radius: 24px; transition: transform .35s var(--ease); }
.tool-tile:hover { transform: translateY(-4px) rotate(-.5deg); }
.tool-tile img { width: 36px; height: 36px; margin-bottom: 8px; }
.tool-tile strong { font-size: 1.05rem; letter-spacing: -.02em; }
.tool-tile span { color: var(--muted); font-size: .88rem; line-height: 1.5; }
img.tool-logo--dark { display: none; }
:root[data-theme='dark'] img.tool-logo--light { display: none; }
:root[data-theme='dark'] img.tool-logo--dark { display: block; }
.float-logo:nth-of-type(1) { top: 7%; left: -30px; right: auto; }
.float-logo:nth-of-type(2) { top: 18%; right: -30px; left: auto; }
.float-logo:nth-of-type(3) { top: 34%; left: -38px; right: auto; }
.float-logo:nth-of-type(4) { top: 45%; right: -26px; left: auto; }
.float-logo:nth-of-type(5) { top: 60%; left: -30px; right: auto; animation-delay: -2.2s; }
.float-logo:nth-of-type(6) { top: 70%; right: -34px; left: auto; animation-delay: -3.7s; }
@media (max-width: 980px) { .tool-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 720px) { .float-logo:nth-of-type(5), .float-logo:nth-of-type(6) { display: none; } }

/* ——— Bas de l'accueil : tout passe en verre ——— */
.learning-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.learning-services > article, .course-cards > article { background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border) !important; box-shadow: var(--glass-shadow); border-radius: 28px; padding: 30px !important; transition: transform .35s var(--ease); }
.learning-services > article:hover, .course-cards > article:hover { transform: translateY(-4px); }
.course-cards { gap: 18px !important; }
.course-cards > article { display: flex; flex-direction: column; }
.course-cards > article .text-link { margin-top: auto; padding-top: 12px; }
.course-cards > article:nth-child(2) { background: var(--dark-card); border-color: rgb(255 255 255 / 12%) !important; }
:root:not([data-theme='dark']) .course-cards > article:nth-child(2) :is(h3, .text-link) { color: #fff; }
:root:not([data-theme='dark']) .course-cards > article:nth-child(2) :is(p, li, .form-note) { color: #B4B4B4; }
:root[data-theme='dark'] .course-cards > article:nth-child(2) :is(h3, .text-link) { color: #0D0D0D; }
:root[data-theme='dark'] .course-cards > article:nth-child(2) :is(p, li, .form-note) { color: #4A4A4A; }
.course-cards .badge, .guide-list .badge { border-radius: 999px; background: var(--glass-bg-strong); border: 1px solid var(--glass-border); padding: 5px 11px; font-size: .74rem; color: var(--muted); }
.course-cards > article:nth-child(2) .badge { background: rgb(255 255 255 / 10%); color: #ECECEC; border-color: rgb(255 255 255 / 15%); }

/* Guides : liste numérotée en grand */
.guide-list { display: block !important; counter-reset: guide; border-top: 1px solid var(--line); }
.guide-list > article { counter-increment: guide; display: grid !important; grid-template-columns: 110px 1fr auto; align-items: center; column-gap: 28px; padding: 28px 8px !important; border: 0 !important; border-bottom: 1px solid var(--line) !important; background: none !important; border-radius: 0 !important; transition: background-color .3s; }
.guide-list > article::before { content: counter(guide, decimal-leading-zero); grid-row: span 3; font-size: 3.2rem; font-weight: 700; letter-spacing: -.06em; color: rgb(0 0 0 / 12%); transition: color .3s; }
:root[data-theme='dark'] .guide-list > article::before { color: rgb(255 255 255 / 14%); }
.guide-list > article:hover { background: var(--glass-bg) !important; border-radius: 20px !important; }
.guide-list > article:hover::before { background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.guide-list > article > * { grid-column: 2; margin: 0; }
.guide-list > article > .text-link { grid-column: 3; grid-row: 1 / span 3; white-space: nowrap; }
.guide-list > article h3 { margin: 6px 0 4px; font-size: 1.35rem; letter-spacing: -.03em; }
.guide-list > article p { color: var(--muted); }

/* Méthode : grands numéros en dégradé */
.method-grid { counter-reset: step; gap: 18px !important; }
.method-step { counter-increment: step; background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border) !important; box-shadow: var(--glass-shadow); border-radius: 26px; padding: 26px !important; }
.method-step::before { content: counter(step, decimal-leading-zero); display: block; font-size: 2.6rem; font-weight: 700; letter-spacing: -.06em; line-height: 1; margin-bottom: 18px; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.method-step > :first-child:not(h3) { display: none; }

/* « Construit avec l'IA » */
.build-bento { display: grid; grid-template-columns: 1.5fr 1fr; grid-template-rows: auto auto; gap: 18px; }
.build-card { border-radius: 32px; padding: 32px; display: flex; flex-direction: column; gap: 8px; overflow: hidden; transition: transform .35s var(--ease); }
.build-card:hover { transform: translateY(-4px); }
.build-card h3 { font-size: 1.6rem; letter-spacing: -.04em; margin: 0; }
.build-card p { color: var(--muted); margin: 0; }
.build-card--wide { grid-row: span 2; justify-content: space-between; gap: 26px; }
.build-card--wide img { width: calc(100% + 64px); max-width: none; margin: 0 -32px -32px; height: auto; border-top: 1px solid var(--glass-border); transform: perspective(1200px) rotateX(8deg) translateY(10px); transform-origin: bottom; transition: transform .6s var(--ease); }
.build-card--wide:hover img { transform: none; }
.build-card--dark { background: var(--dark-card); border-color: rgb(255 255 255 / 12%); }
:root:not([data-theme='dark']) .build-card--dark :is(h3, .text-link) { color: #fff; }
:root:not([data-theme='dark']) .build-card--dark p { color: #B4B4B4; }
:root[data-theme='dark'] .build-card--dark :is(h3, .text-link) { color: #0D0D0D; }
.build-card--dark .text-link { margin-top: auto; padding-top: 10px; }

/* « Le praticien transparent » en plaque de verre */
.work-row { background: var(--glass-bg); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border) !important; box-shadow: var(--glass-shadow); border-radius: 32px; padding: 36px !important; }

/* ——— Animations ——— */
/* Barre de progression de lecture (navigateurs qui gèrent les animations au défilement) */
@supports (animation-timeline: scroll()) {
  body::after { content: ""; position: fixed; inset: 0 0 auto; height: 3px; z-index: 100; background: var(--gradient); transform-origin: 0 50%; transform: scaleX(0); animation: progression linear both; animation-timeline: scroll(root); pointer-events: none; }
  @keyframes progression { to { transform: scaleX(1); } }
}
/* Titres qui se dévoilent par le bas */
.section-heading.reveal-pending h2 { clip-path: inset(0 0 100% 0); transform: translateY(24px); transition: clip-path .9s var(--ease) .05s, transform .9s var(--ease) .05s; }
.section-heading.reveal-pending.is-visible h2 { clip-path: inset(0 0 -10% 0); transform: none; }
/* Le dégradé ondule doucement */
.rotator span, .final-cta h2 em, .learning-hero h1 em, .page-hero h1 em, .gradient-text { background-size: 200% 100%; animation: ondule 8s ease-in-out infinite alternate; }
@keyframes ondule { to { background-position: 100% 0; } }
/* Barre de navigation plus dense au défilement */
.site-header.is-scrolled .nav-pill { background: var(--glass-bg-strong); box-shadow: var(--glass-shadow), 0 10px 30px rgb(20 20 40 / 8%); }
/* Bandeau : pause au survol */
.marquee:hover .marquee-track { animation-play-state: paused; }
/* Le point du logo pulse comme un voyant, au survol */
.brand:hover span { animation: voyant 1.2s ease-in-out infinite; display: inline-block; }
@keyframes voyant { 50% { opacity: .35; } }
/* Portrait qui s'incline sous le curseur */
.expert-portrait { transform: perspective(1000px) rotateX(var(--ry, 0deg)) rotateY(var(--rx, 0deg)); transition: transform .5s var(--ease); will-change: transform; }

@media (max-width: 980px) {
  .build-bento { grid-template-columns: 1fr; } .build-card--wide { grid-row: auto; }
  .learning-services { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .guide-list > article { grid-template-columns: 56px 1fr; column-gap: 14px; }
  .guide-list > article::before { font-size: 2rem; }
  .guide-list > article > .text-link { grid-column: 2; grid-row: auto; margin-top: 10px; }
}
@media (prefers-reduced-motion: reduce) {
  .rotator span, .final-cta h2 em, .learning-hero h1 em, .page-hero h1 em, .gradient-text { animation: none; }
  .section-heading.reveal-pending h2 { clip-path: none; transform: none; }
  .expert-portrait, .build-card--wide img { transform: none !important; }
  body::after { display: none; }
}
.callout.glass { border-left: 1px solid var(--glass-border) !important; }

/* ═════ Passe de cohérence (04/10/2026) ═════ */

/* Grilles : pas d'espacement de liste parasite */
.tool-grid > li { margin: 0; }

/* Mode sombre : les cartes « contre-point » ne s'inversent plus en blanc, elles s'élèvent */
:root[data-theme='dark'] { --dark-card: rgb(255 255 255 / 8%); }
:root[data-theme='dark'] :is(.audience-paths > article:last-child, .course-cards > article:nth-child(2), .build-card--dark) { border-color: rgb(255 255 255 / 16%) !important; box-shadow: var(--glass-shadow), inset 0 0 0 1px rgb(16 163 127 / 18%); }
:root[data-theme='dark'] :is(.audience-paths > article:last-child, .course-cards > article:nth-child(2), .build-card--dark) :is(h3, .text-link) { color: #fff; }
:root[data-theme='dark'] :is(.audience-paths > article:last-child, .course-cards > article:nth-child(2), .build-card--dark) :is(p, li, .eyebrow, .form-note) { color: #B4B4B4; }
:root[data-theme='dark'] .audience-paths > article:last-child .button--secondary { background: #fff; color: #0D0D0D; }

/* Alignements : démo et en-têtes de page calés sur la grille du site */
.ai-demo { padding-inline: 0 !important; }
.page-hero.container { max-width: none; }
.page-hero > * { max-width: 940px; }
.page-hero .badge { display: inline-flex; border-radius: 999px; background: var(--glass-bg-strong); border: 1px solid var(--glass-border); padding: 5px 12px; font-size: .76rem; color: var(--muted); margin: 0 0 22px 10px; }
.page-hero .eyebrow + .badge, .page-hero .eyebrow:has(+ .badge) { display: inline-flex; vertical-align: middle; }
.page-hero .eyebrow:has(+ .badge) { margin-bottom: 22px; }

/* Titres dans les cartes : à l'échelle des cartes, pas des sections */
.card.glass > h2, .callout.glass > h2 { font-size: clamp(1.45rem, 2.3vw, 2rem); letter-spacing: -.04em; line-height: 1.12; margin-bottom: .5em; }

/* Articles : sommaire étroit à gauche, texte large à droite */
@media (min-width: 980px) { .article-layout { grid-template-columns: 250px minmax(0, 760px); justify-content: space-between; } }
.toc.glass { padding: 22px 24px; }
.toc h2 { font-size: .8rem; font-weight: 600; letter-spacing: 0; color: var(--muted); margin: 0 0 10px; }
.toc a { color: var(--text); text-decoration: none; border-bottom: 1px solid transparent; transition: border-color .2s; }
.toc a:hover { border-color: currentColor; }

/* Méthode : numéros sur une ligne, dégradé complet */
.method-step { display: block !important; }
.method-step::before { display: inline-block; }
.guide-list > article::before { display: inline-block; }

/* Pied de page : une feuille de verre pleine largeur */
.site-footer.container { width: auto; margin-inline: 12px; }
.theme-control select, select[data-theme-select] { appearance: none; -webkit-appearance: none; border-radius: 999px; padding: 9px 36px 9px 16px; background: var(--glass-bg-strong) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%235D5D5D' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 14px center; border: 1px solid var(--glass-border); color: var(--text); font: inherit; font-size: .85rem; box-shadow: var(--glass-shadow); cursor: pointer; }

/* Champs de formulaire alignés sur le verre */
input[type=email], input[type=text], textarea, .form-grid select { border-radius: 14px; }
.email-pill input[type=email] { border-radius: 999px; }

/* Hero mobile : rien ne déborde, logos flottants dans l'écran */
.learning-hero { overflow: visible; }
@media (max-width: 720px) {
  .expert-portrait { margin-inline: 18px; width: auto; }
  .float-logo:nth-of-type(odd) { left: -14px; right: auto; }
  .float-logo:nth-of-type(even) { right: -14px; left: auto; }
  .float-logo:nth-of-type(n+5) { display: none; }
  .tool-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .tool-tile { padding: 18px; }
}

/* ═════ Menu : animations ═════ */
/* 1. Entrée : la barre descend en douceur au chargement */
.site-header { animation: menu-entree .8s var(--ease) both; }
@keyframes menu-entree { from { opacity: 0; transform: translateY(-18px) scale(.98); } }
/* 2. Survol : une pastille de verre glisse sous le lien */
.nav-links a { position: relative; text-decoration: none !important; padding-inline: 14px; border-radius: 999px; transition: color .25s; }
.nav-links { gap: 4px; }
.nav-links a::before { content: ""; position: absolute; inset: 6px 0; border-radius: inherit; background: rgb(0 0 0 / 6%); opacity: 0; transform: scale(.7); transition: opacity .3s var(--ease), transform .4s var(--ease); z-index: -1; }
:root[data-theme='dark'] .nav-links a::before { background: rgb(255 255 255 / 10%); }
.nav-links a:hover::before { opacity: 1; transform: scale(1); }
.nav-links a[aria-current='page']::before { opacity: 1; transform: scale(1); background: var(--glass-bg-strong); box-shadow: inset 0 0 0 1px var(--line); }
.nav-links a[aria-current='page']::after { content: ""; position: absolute; left: 50%; bottom: 7px; width: 4px; height: 4px; margin-left: -2px; border-radius: 50%; background: var(--gpt-green); }
.nav-pill { transition: background .3s, box-shadow .3s; }
/* 4. Bouton d'appel : un reflet traverse au survol */
.nav-cta { position: relative; overflow: hidden; }
.nav-cta::after { content: ""; position: absolute; inset: 0; background: linear-gradient(110deg, transparent 30%, rgb(255 255 255 / 35%) 50%, transparent 70%); transform: translateX(-120%); transition: transform .7s var(--ease); pointer-events: none; }
.nav-cta:hover::after { transform: translateX(120%); }
/* 5. Menu mobile : ouverture en fondu, liens qui arrivent en cascade */
.mobile-menu { background: var(--glass-bg-strong); -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur); }
.mobile-menu[open] { animation: menu-ouvre .45s var(--ease) both; }
.mobile-menu[open]::backdrop { animation: voile .45s ease both; -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px); }
.mobile-menu[open] nav a { animation: lien-cascade .55s var(--ease) both; }
.mobile-menu[open] nav a:nth-child(2) { animation-delay: .05s; } .mobile-menu[open] nav a:nth-child(3) { animation-delay: .1s; }
.mobile-menu[open] nav a:nth-child(4) { animation-delay: .15s; } .mobile-menu[open] nav a:nth-child(5) { animation-delay: .2s; }
@keyframes menu-ouvre { from { opacity: 0; transform: translateY(-12px) scale(.985); } }
@keyframes voile { from { opacity: 0; } }
@keyframes lien-cascade { from { opacity: 0; transform: translateY(14px); } }
.menu-toggle .icon { transition: transform .4s var(--ease); }
.menu-toggle:hover .icon { transform: rotate(90deg); }

@media (prefers-reduced-motion: reduce) {
  .site-header, .mobile-menu[open], .mobile-menu[open] nav a, .mobile-menu[open]::backdrop { animation: none; }
  .nav-pill, .nav-links a::before, .nav-cta::after { transition: none; }
}

/* Correctif : mot animé aligné sur la ligne de base (pas d'overflow, qui déplacerait la ligne de base) */
.rotator { display: inline-grid; vertical-align: baseline; overflow: visible; height: auto; padding-block: .06em; margin-block: -.06em; clip-path: inset(0 -.3em 0 -.1em); }

/* Le point du logo et toutes les pastilles portent le dégradé « IA » (charte v1.1, 04/10/2026) */
:root { --dot: linear-gradient(135deg, #4F7BFF, #B266FF 45%, #FF7BAC 75%, #FFA36B); }
.brand span, .site-footer .brand span { background: var(--dot); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.eyebrow::before, .live-pill::before, .nav-links a[aria-current='page']::after { background: var(--dot); }
.live-pill::before { animation-name: pulse-degrade; }
@keyframes pulse-degrade { 0% { box-shadow: 0 0 0 0 rgb(178 102 255 / 55%); } 70% { box-shadow: 0 0 0 8px transparent; } }
.marquee-track span::after { background: var(--dot); -webkit-background-clip: text; background-clip: text; color: transparent; -webkit-text-fill-color: transparent; }
.hero-quote { border-left: 2px solid; border-image: var(--dot) 1; }
@media (forced-colors: active) { .brand span { -webkit-text-fill-color: CanvasText; background: none; } }

/* Corrections de fonctionnement, sans modifier la direction artistique. */
/* Le clic ou le toucher ne dessine pas le cadre de focus clavier de Safari. */
html.has-js:not(.using-keyboard) :focus-visible { outline: none; }
html.has-js:not(.using-keyboard) [data-brief-step] label.card:focus-within { outline: none; }
html.using-keyboard :focus-visible { outline: 2px solid #7455D8; outline-offset: 4px; }
html.using-keyboard[data-theme='dark'] :focus-visible { outline-color: #BAA4FF; }
.build-card--wide:not(:has(img)) { grid-row: auto; }
.build-bento { grid-template-rows: auto; }
a, button, summary, label, [role='button'] { -webkit-tap-highlight-color: transparent; }
@media screen and (min-width: 900px) {
  .footer-top { grid-template-columns: 2fr 1fr 1fr; }
}
/* Les logos restent dans la page et ne sont plus coupés par le bord du hero. */
@media (min-width: 721px) {
  .learning-hero .expert-portrait { margin-right: 34px; width: min(calc(100% - 34px), 385px); }
}
.mobile-menu { overscroll-behavior: contain; }
.toc { max-height: calc(100dvh - 135px); overflow-y: auto; }
@media (max-width: 979px) { .toc { max-height: none; } }
.email-pill.glass { box-shadow: none; background: transparent; border: 0; -webkit-backdrop-filter: none; backdrop-filter: none; }
:root:not([data-theme='dark']) :is(.audience-paths > article:last-child, .course-cards > article:nth-child(2), .build-card--dark) :focus-visible { outline-color: #fff; }
:root:not([data-theme='dark']) .build-card--dark .eyebrow { color: #B4B4B4; }
.nav-links a:focus-visible::before { opacity: 1; transform: scale(1); }

/* Aucun travail d'animation quand l'onglet est masqué. */
html.is-page-hidden *, html.is-page-hidden *::before, html.is-page-hidden *::after { animation-play-state: paused !important; }
@media (hover: none) {
  :is(.card.glass, .audience-paths > article, .tiktok-row a, .tool-tile, .learning-services > article, .course-cards > article, .build-card):hover { transform: none; }
}

/* La couche Liquid Glass doit aussi respecter ces préférences en sombre. */
@media (prefers-reduced-transparency: reduce), (prefers-contrast: more) {
  :root, :root[data-theme] {
    --glass-bg: var(--surface-solid); --glass-bg-strong: var(--surface-solid);
    --glass-blur: none; --dark-card: #0D0D0D;
  }
  :root[data-theme='dark'] { --dark-card: #202024; }
  .live-pill { background: #0D0D0D; -webkit-backdrop-filter: none; backdrop-filter: none; }
  .mobile-menu::backdrop { -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  :root, :root[data-theme] { --glass-bg: var(--surface-solid); --glass-bg-strong: var(--surface-solid); }
}
@media (prefers-contrast: more), (forced-colors: active) {
  :is(.gradient-text, .rotator span, .learning-hero h1 em, .editorial-intro h1 em, .studio-hero h1 em, .page-hero h1 em, .final-cta h2 em, .method-step::before, .guide-list > article::before) { color: var(--text); -webkit-text-fill-color: currentColor; background: none; }
}
@media (forced-colors: active) {
  :is(.glass, .nav-pill, .audience-paths > article, .learning-services > article, .course-cards > article, .method-step, .demo-layout, .demo-stage, .expert-portrait) { border: 1px solid CanvasText !important; }
  .demo-tabs [aria-selected='true'], [data-category-filter][aria-pressed='true'] { border: 2px solid Highlight; }
}

/* Les révélations au défilement ne doivent jamais produire des pages imprimées vides. */
@media print {
  :root, :root[data-theme] { color-scheme: light !important; --text: #000; --muted: #333; --link: #000; --bg: #fff; --surface-solid: #fff; --surface-soft: #fff; --surface-frost: #fff; --input: #fff; --glass-bg: #fff; --glass-bg-strong: #fff; --dark-card: #fff; }
  body::before, body::after, .marquee, .float-logo, .live-pill, .demo-controls, .demo-tabs { display: none !important; }
  *, *::before, *::after { animation: none !important; transition: none !important; box-shadow: none !important; -webkit-backdrop-filter: none !important; backdrop-filter: none !important; }
  .reveal-pending, .section-heading.reveal-pending h2, .expert-portrait, .build-card--wide img { opacity: 1 !important; transform: none !important; clip-path: none !important; }
  .demo-panel[hidden] { display: block !important; }
  .rotator span:not(:first-child) { display: none; }
  .rotator span:first-child { opacity: 1 !important; transform: none !important; }
  .rotator, .rotator span { clip-path: none; }
  main :is(h1, h2, h3, p, li, a, span, em, strong, blockquote), .method-step::before, .guide-list > article::before { color: #000 !important; -webkit-text-fill-color: currentColor !important; background: none !important; }
  .toc { position: static; max-height: none; overflow: visible; }
  .learning-hero { grid-template-columns: 1fr; }
  .expert-portrait { max-width: 220px; margin: 0 !important; }
  .demo-layout, .course-cards, .learning-services, .build-bento { display: block; }
}

/* Mobile : la même DA, avec des proportions et des contrôles adaptés au pouce. */
@media screen and (max-width: 899px) {
  .site-header { top: max(8px, env(safe-area-inset-top)); padding-inline: max(12px, env(safe-area-inset-left)); }
  .nav-pill { gap: 10px; min-height: 60px; padding: 7px 10px 7px 16px; }
  .nav-cta { font-size: .8125rem; padding: 10px 14px; min-height: 44px; }
  .menu-toggle { width: 44px; height: 44px; min-height: 44px; padding: 10px; flex: 0 0 44px; box-shadow: none; background: transparent; border-color: var(--line); }
  .menu-toggle:hover .icon { transform: none; }
  .mobile-menu[open] {
    inset: max(80px, calc(env(safe-area-inset-top) + 72px)) 0 auto;
    width: min(480px, calc(100% - 24px)); height: auto;
    max-height: calc(100dvh - 100px - env(safe-area-inset-bottom));
    margin: 0 auto; padding: 18px; border: 1px solid var(--glass-border);
    border-radius: 28px; overflow-y: auto;
    background: var(--glass-bg-strong); box-shadow: var(--glass-shadow);
  }
  .mobile-menu::backdrop { background: rgb(13 13 13 / 20%); }
  .mobile-menu-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 2px 10px 12px; }
  .mobile-menu-heading .eyebrow { margin: 0; font-size: .8125rem; }
  .menu-close { width: 44px; height: 44px; min-height: 44px; padding: 10px; margin: 0; flex-shrink: 0; box-shadow: none; background: transparent; border-color: var(--line); }
  .mobile-menu nav { padding: 0; gap: 4px; }
  .mobile-menu nav a { padding: 14px 16px; min-height: 52px; border: 0; border-radius: 16px; font-size: 1.0625rem; line-height: 1.4; }
  .mobile-menu nav a[aria-current='page'] { background: var(--glass-bg); box-shadow: inset 0 0 0 1px var(--line); }
  .mobile-menu nav a:last-child { margin-top: 12px; background: var(--button-bg); color: var(--button-text); text-align: center; border-radius: 999px; font-size: .9375rem; }
  .mobile-menu nav a:active { background: var(--surface-soft); }
  .mobile-menu nav a:last-child:active { background: var(--button-hover); }
}

@media screen and (max-width: 720px) {
  :root { --gutter: clamp(18px, 5vw, 24px); --space-section: 56px; }
  html { scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }
  body { font-size: 16px; line-height: 1.6; }
  .section-heading { margin-bottom: 24px; }
  .section-heading h2 { font-size: clamp(1.85rem, 7.8vw, 2.35rem); line-height: 1.14; }
  .section-heading > p { font-size: 1rem; }
  .eyebrow { margin-bottom: 14px; }
  .learning-hero { padding-block: 32px 40px; gap: 30px; }
  .learning-hero-copy { display: flex; flex-direction: column; align-items: flex-start; }
  .learning-hero-copy > .eyebrow { margin-bottom: 16px; font-size: .78125rem; }
  .learning-hero h1 { font-size: clamp(2.5rem, 10.8vw, 3.05rem); line-height: 1.07; margin-bottom: 20px; }
  .learning-hero-copy .lead { font-size: 1rem; line-height: 1.6; margin-bottom: 0; }
  .learning-hero-copy .actions { width: 100%; margin-top: 22px; gap: 10px; flex-direction: column; align-items: stretch; }
  .learning-hero-copy .actions .button { width: 100%; min-height: 48px; }
  .learning-hero-copy > .form-note { margin: 10px 0 0; font-size: .8125rem; }
  .learning-hero-copy > .hero-demo-link { margin-top: 4px; }
  .learning-hero-copy > .hero-quote { order: 1; margin: 18px 0 0; font-size: .875rem !important; padding-block: 0; line-height: 1.55 !important; }
  .learning-hero .expert-portrait { width: min(280px, calc(100% - 28px)); margin-inline: auto; padding: 9px; border-radius: 30px; transform: none; will-change: auto; }
  .expert-portrait > img { border-radius: 22px !important; }
  .expert-portrait figcaption { margin-top: 12px; padding: 2px 8px 5px; }
  .expert-portrait .float-logo { width: 40px; height: 40px; border-radius: 14px; }
  .float-logo img { width: 25px; height: 25px; }
  .live-pill { top: -12px; right: 14px; font-size: .6875rem; }
  .marquee { padding-block: 12px; }
  .marquee-track span { font-size: .875rem; }
  .expertise-strip { padding-block: 24px; gap: 16px; }
  .page-hero, .hero { padding-block: 36px 32px; }
  .page-hero h1, .hero h1 { font-size: clamp(2.25rem, 9.5vw, 2.85rem); line-height: 1.1; }
  .page-hero .lead, .hero .lead { font-size: 1rem; }
  .card.glass, .callout.glass, .build-card, .resource-download { padding: 20px; border-radius: 24px; }
  .learning-services > article, .course-cards > article, .method-step, .work-row { padding: 22px !important; border-radius: 24px; }
  .audience-paths { padding: 0; gap: 16px; }
  .audience-paths > article { padding: 22px; border-radius: 26px; }
  .audience-paths > article > .button { width: 100%; }
  .audience-paths h3 { font-size: 1.5rem; }
  .audience-paths p, .audience-paths ul, .learning-services p, .training-preview p, .training-preview ul { font-size: .9375rem; }
  .build-card--wide img { width: calc(100% + 40px); margin: 0 -20px -20px; transform: none; }
  .build-bento { grid-template-rows: auto; }
  .guide-list > article { grid-template-columns: 36px minmax(0, 1fr); gap: 0 12px; padding: 22px 0 !important; }
  .guide-list > article::before { font-size: 1.65rem; }
  .guide-list > article h3 { font-size: 1.2rem; }
  .guide-list > article > .text-link { white-space: normal; }
  .final-cta { padding: 24px; border-radius: 28px; }
  .final-cta h2 { font-size: clamp(1.85rem, 7.5vw, 2.35rem); line-height: 1.13; }
  .final-cta .lead { font-size: 1rem; }
  .prompt-text { padding: 14px; font-size: 1rem; line-height: 1.6; }
  .prompt-card .actions, .prompt-card > .button { width: 100%; }
  .prompt-card [data-copy] { min-height: 48px; }
  .filter-pills, .filters { gap: 8px; }
  [data-category-filter], [data-resource-filter] { padding: 10px 14px; border-radius: 999px; }
  #prompt-count { font-variant-numeric: tabular-nums; }
  [data-brief-step] { padding: 20px 16px; margin-top: 20px; border-radius: 20px; }
  [data-brief-step] .brief-choices, [data-brief-step] .grid--3 { gap: 10px; }
  [data-brief-step] label.card { min-height: 60px; padding: 14px; }
  [data-brief-step] fieldset, [data-brief-summary] { padding: 14px; }
  .form-note, .consent, [data-brief-step] > label.consent, .demo-note { font-size: .8125rem; }
  input:not([type='checkbox']):not([type='radio']), textarea, select, .theme-control select, select[data-theme-select] { font-size: 16px; }
  .demo-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; }
  .demo-tabs [data-demo-case] { min-height: 46px; padding: 10px 7px; font-size: .8125rem; }
  .demo-layout { padding: 18px 14px; border-radius: 24px; }
  .demo-stage { grid-template-columns: 26px minmax(0, 1fr); padding: 14px 10px; gap: 8px; }
  .demo-stage-number { width: 26px; height: 26px; }
  .demo-stage p { font-size: .875rem; line-height: 1.6; }
  .demo-flow::before { left: 23px; }
  .faq details.glass { padding-inline: 18px; }
  .faq summary { padding-block: 19px; font-size: .9375rem; }
  .faq summary::after { top: 12px; }
  .site-footer.container { margin: 40px 8px 0; padding: 30px 20px 20px; border-radius: 28px 28px 0 0; }
  .footer-top { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .footer-top nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px 16px; }
  .footer-top nav a { min-height: 44px; }
  .theme-control { width: 100%; max-width: 280px; }
  .footer-bottom { margin-top: 28px; font-size: .8125rem; }
}

@media screen and (max-width: 379px) {
  .has-mobile-menu .nav-pill > .nav-cta { display: none; }
  .has-mobile-menu .menu-toggle { margin-left: auto; }
  .tool-grid { grid-template-columns: 1fr; gap: 10px; }
  .tool-tile { display: grid; grid-template-columns: 34px minmax(0, 1fr); column-gap: 14px; row-gap: 3px; padding: 18px; border-radius: 20px; }
  .tool-tile img { grid-column: 1; grid-row: 1 / span 2; width: 30px; height: 30px; margin: 3px 0 0; }
  .tool-tile strong, .tool-tile span { grid-column: 2; }
  .tool-tile span { font-size: .875rem; }
  .final-cta { padding: 20px; }
}
@media screen and (max-width: 720px) and (prefers-reduced-transparency: no-preference) and (prefers-contrast: no-preference) {
  :root, :root[data-theme] { --glass-blur: blur(16px) saturate(160%); }
}
@media screen and (hover: none) and (pointer: coarse) {
  body::before { animation: none; }
  .expert-portrait { transform: none !important; will-change: auto; }
}
@media screen and (max-width: 899px) and (max-height: 500px) {
  .mobile-menu[open] { top: 12px; max-height: calc(100dvh - 24px); }
  .mobile-menu-heading { position: sticky; top: -18px; z-index: 1; background: var(--glass-bg-strong); border-radius: 12px; }
  .mobile-menu nav a { min-height: 44px; padding-block: 10px; }
}